package com.faneui.transfer.common.encrypt;

import java.security.MessageDigest;

import com.faneui.transfer.common.content.Contents;

public class MD5Utils {
	
	public final static String hexDigit = "0123456789ABCDEF";
	
	public final static String resetPwd = "F0D8F047B7263BCCDBF2BE2A74F65253";
	
	

	public final static String MD5(String s) {
		char hexDigits[] = hexDigit.toCharArray() ;
		try {
			byte[] btInput = (s+Contents.PASSWORD_KEY).getBytes();
			// 获得MD5摘要算法的 MessageDigest 对象
			MessageDigest mdInst = MessageDigest.getInstance("MD5");
			// 使用指定的字节更新摘要
			mdInst.update(btInput);
			// 获得密文
			byte[] md = mdInst.digest();
			// 把密文转换成十六进制的字符串形式
			int j = md.length;
			char str[] = new char[j * 2];
			int k = 0;
			for (int i = 0; i < j; i++) {
				byte byte0 = md[i];
				str[k++] = hexDigits[byte0 >>> 4 & 0xf];
				str[k++] = hexDigits[byte0 & 0xf];
			}
			return new String(str);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	public static void main(String[] args) {
		System.err.println(MD5Utils.MD5("000000"));
	}
}